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6 March, 13:47

Karan needs to choose between two gym plans. He can either pay a $150 joining fee and a $10 monthly fee, or he can pay a $50 joining fee and a $30 monthly fee.

On what month will the cumulative costs of the plans be equal, and what will those total costs be

Answer: Karan will pay a cumulative cost of___?___ dollars with either plan to go to the gym for __?__ months.

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  1. 6 March, 13:54
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    150 + 10x = plan 1

    50 + 30x = plan 2

    150 + 10x = 50 + 30x combine like terms

    100 = 20x divide by 20 to isolate x

    5 = x
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